How can I add Context Menu Items to C# Editor of Visual Studio?

Question

I found some example where we can add context menu items to C# code editor at compile time but not at runtime. How can we do this at run-time.

Answer 1

Buttons belonging to commands are always added to commandbars (menus, toolbars, context menus) when the extension is registered within Visual Studio (a one-time event).

What can be customized is whether the command is enabled/disabled and whether buttons created from it are visible/invisible. This can be customized:

1) When the extension is not loaded yet, it is done in the .vsct file through command flags such as DefaultDisabled, DefaultInvisible, etc or VisibilityConstraints .

2) When the extension is loaded, it is done using the DynamicVisibility command flag in .vsct file and OleMenuCommand.BeforeQueryStatus Event . See for example: Dynamic Menu Commands in Visual Studio Packages – Part 2